20206720011

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{769}}^1\times {\mathrm{1187}}^1$

素因数の和:2163

約数の個数: 32

約数和(自身を含む): 27750159360

約数和(自身を除く): 7543439349

約数列:

[1, 3, 47, 141, 157, 471, 769, 1187, 2307, 3561, 7379, 22137, 36143, 55789, 108429, 120733, 167367, 186359, 362199, 559077, 912803, 2738409, 5674451, 8758873, 17023353, 26276619, 42901741, 128705223, 143310071, 429930213, 6735573337, 20206720011]

約数ペア:

[(1, 20206720011), (3, 6735573337), (47, 429930213), (141, 143310071), (157, 128705223), (471, 42901741), (769, 26276619), (1187, 17023353), (2307, 8758873), (3561, 5674451), (7379, 2738409), (22137, 912803), (36143, 559077), (55789, 362199), (108429, 186359), (120733, 167367)]